@book {Volos20213,
	title = {The fourth circuit element was found: A brief history},
	series = {Mem-elements for Neuromorphic Circuits with Artificial Intelligence Applications},
	year = {2021},
	pages = {3-15},
	doi = {10.1016/B978-0-12-821184-7.00009-8},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85127153217\&doi=10.1016\%2fB978-0-12-821184-7.00009-8\&partnerID=40\&md5=bf4132809cc69f534031ad1bd45ed2d3},
	author = {Volos, C. and Pham, V.-T. and Nistazakis, H.}
}
